I haven't used this since I bought it on Amazon. I opened the package for the photos. Set contents: Frying pans 20cm, 26cm / Pots 16cm, 20cm / Seal lids 16cm, 20cm / Glass lids 16cm, 20cm, 26cm / Multi-handle x 2 Material: Aluminum Color: White Brand: IRIS OHYAMA Size: 11-piece set Handle material: Plastic Dishwasher safe: No This 11-piece set of frying pans and pots will make your daily cooking more enjoyable. It will brighten up your kitchen and create a stylish space. [Removable handle] Attach it only when needed, and remove it when not in use. If you remove the handle, the frying pan can be used as a plate. You can enjoy hot dishes at the table. [Oven-safe] You can cook dishes like gratin in the frying pan without transferring them to a dish. Because it has a handle, you can easily take out hot dishes. [Compact storage] The handles can be removed, so you can stack and store them. [Diamond coating] Fine particles of artificial diamond are mixed into the fluorine resin coating. It has excellent abrasion resistance, is difficult to peel off, and the non-stick properties last longer. Since dirt comes off easily, washing dishes is easy. [Silicone lid that makes it easy to see inside] It is easy to see inside, and you can attach and remove the multi-handle while the lid is on. [Seal lids that can be stored in the refrigerator] Convenient for storing pots in the refrigerator, and can be stacked for storage.